package com.yan.gulimall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;


/**
 * RabbitMq死信队列配置
 */
@Configuration
public class MyMqConfig {

    @Bean
    public Queue orderDelayQueue(){
        /**
         * x-dead-letter-exchange: order-event-exchange
         * x-dead-letter-routing-key: order.release.order
         * x-message-ttl: 60000
         */
        Map<String,Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl","60000");

        // String name, boolean durable, boolean exclusive, boolean autoDelete, @Nullable Map<String, Object> arguments
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);
        return queue;
    }

    @Bean
    public Queue orderReleaseQueue(){
        // String name, boolean durable, boolean exclusive, boolean autoDelete, @Nullable Map<String, Object> arguments
        Queue queue = new Queue("order.release.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange(){
        // String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        return new TopicExchange("order-event-exchange",true,false);
    }

    @Bean
    public Binding orderCreateOrderBinding(){
        // String destination, Binding.DestinationType destinationType, String exchange, String routingKey, @Nullable Map<String, Object> arguments
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",null);
    }

    @Bean
    public Binding orderReleaseOrderBinding(){
        return new Binding("order.release.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",null);
    }

    /**
     * 订单释放和库存释放进行绑定
     * @return
     */

    @Bean
    public Binding orderReleaseOtherBinding(){
        return new Binding("stock.release.stock",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",null);
    }

    /**
     * 秒杀服务相关队列
     * @return
     */
    @Bean
    public Queue orderSeckillOrderQueue(){
        Queue queue = new Queue("order.seckill.order", true, false, false);
        return queue;
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding(){
        return new Binding("order.seckill.order",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",null);
    }

}
